245 lines
6.7 KiB
Go
245 lines
6.7 KiB
Go
package oauth
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import (
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"context"
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"encoding/json"
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"errors"
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"fmt"
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"net/http"
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model2 "schisandra-album-cloud-microservices/app/auth/model/mysql/model"
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"schisandra-album-cloud-microservices/common/constant"
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"strconv"
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"github.com/yitter/idgenerator-go/idgen"
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"gorm.io/gorm"
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"github.com/zeromicro/go-zero/core/logx"
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"schisandra-album-cloud-microservices/app/auth/api/internal/svc"
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"schisandra-album-cloud-microservices/app/auth/api/internal/types"
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)
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type GithubCallbackLogic struct {
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logx.Logger
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ctx context.Context
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svcCtx *svc.ServiceContext
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}
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type GitHubUser struct {
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AvatarURL string `json:"avatar_url"`
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Bio interface{} `json:"bio"`
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Blog string `json:"blog"`
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Company interface{} `json:"company"`
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CreatedAt string `json:"created_at"`
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Email string `json:"email"`
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EventsURL string `json:"events_url"`
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Followers int `json:"followers"`
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FollowersURL string `json:"followers_url"`
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Following int `json:"following"`
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FollowingURL string `json:"following_url"`
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GistsURL string `json:"gists_url"`
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GravatarID string `json:"gravatar_id"`
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Hireable interface{} `json:"hireable"`
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HTMLURL string `json:"html_url"`
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ID int `json:"id"`
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Location interface{} `json:"location"`
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Login string `json:"login"`
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Name string `json:"name"`
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NodeID string `json:"node_id"`
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NotificationEmail interface{} `json:"notification_email"`
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OrganizationsURL string `json:"organizations_url"`
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PublicGists int `json:"public_gists"`
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PublicRepos int `json:"public_repos"`
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ReceivedEventsURL string `json:"received_events_url"`
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ReposURL string `json:"repos_url"`
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SiteAdmin bool `json:"site_admin"`
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StarredURL string `json:"starred_url"`
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SubscriptionsURL string `json:"subscriptions_url"`
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TwitterUsername interface{} `json:"twitter_username"`
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Type string `json:"type"`
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UpdatedAt string `json:"updated_at"`
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URL string `json:"url"`
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}
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func NewGithubCallbackLogic(ctx context.Context, svcCtx *svc.ServiceContext) *GithubCallbackLogic {
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return &GithubCallbackLogic{
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Logger: logx.WithContext(ctx),
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ctx: ctx,
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svcCtx: svcCtx,
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}
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}
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func (l *GithubCallbackLogic) GithubCallback(r *http.Request, req *types.OAuthCallbackRequest) (string, error) {
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// 获取 token
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tokenAuthUrl := l.GetTokenAuthUrl(req.Code)
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token, err := l.GetToken(tokenAuthUrl)
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if err != nil {
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return "", err
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}
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if token == nil {
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return "", errors.New("get github token failed")
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}
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// 获取用户信息
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userInfo, err := l.GetUserInfo(token)
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if err != nil {
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return "", err
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}
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if userInfo == nil {
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return "", errors.New("get github user info failed")
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}
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// 处理用户信息
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userInfoBytes, err := json.Marshal(userInfo)
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if err != nil {
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return "", err
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}
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var gitHubUser GitHubUser
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err = json.Unmarshal(userInfoBytes, &gitHubUser)
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if err != nil {
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return "", err
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}
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Id := strconv.Itoa(gitHubUser.ID)
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tx := l.svcCtx.DB.Begin()
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userSocial := l.svcCtx.DB.ScaAuthUserSocial
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socialUser, err := tx.ScaAuthUserSocial.Where(userSocial.OpenID.Eq(Id), userSocial.Source.Eq(constant.OAuthSourceGithub)).First()
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if err != nil && !errors.Is(err, gorm.ErrRecordNotFound) {
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return "", err
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}
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if socialUser == nil {
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// 创建用户
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uid := idgen.NextId()
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uidStr := strconv.FormatInt(uid, 10)
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male := constant.Male
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addUser := &model2.ScaAuthUser{
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UID: uidStr,
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Avatar: gitHubUser.AvatarURL,
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Username: gitHubUser.Login,
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Nickname: gitHubUser.Name,
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Blog: gitHubUser.Blog,
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Email: gitHubUser.Email,
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Gender: male,
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}
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err = tx.ScaAuthUser.Create(addUser)
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if err != nil {
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_ = tx.Rollback()
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return "", err
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}
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githubUser := constant.OAuthSourceGithub
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newSocialUser := &model2.ScaAuthUserSocial{
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UserID: uidStr,
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OpenID: Id,
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Source: githubUser,
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}
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err = tx.ScaAuthUserSocial.Create(newSocialUser)
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if err != nil {
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_ = tx.Rollback()
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return "", err
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}
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if res, err := l.svcCtx.CasbinEnforcer.AddRoleForUser(uidStr, constant.User); !res || err != nil {
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_ = tx.Rollback()
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return "", err
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}
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data, err := HandleOauthLoginResponse(addUser, l.svcCtx, r, l.ctx)
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if err != nil {
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_ = tx.Rollback()
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return "", err
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}
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if err = tx.Commit(); err != nil {
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return "", err
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}
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return data, nil
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} else {
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authUser := l.svcCtx.DB.ScaAuthUser
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authUserInfo, err := tx.ScaAuthUser.Where(authUser.UID.Eq(socialUser.UserID)).First()
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if err != nil && !errors.Is(err, gorm.ErrRecordNotFound) {
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_ = tx.Rollback()
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return "", err
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}
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data, err := HandleOauthLoginResponse(authUserInfo, l.svcCtx, r, l.ctx)
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if err != nil {
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_ = tx.Rollback()
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return "", err
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}
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if err = tx.Commit(); err != nil {
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return "", err
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}
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return data, nil
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}
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}
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// GetTokenAuthUrl 通过code获取token认证url
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func (l *GithubCallbackLogic) GetTokenAuthUrl(code string) string {
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clientId := l.svcCtx.Config.OAuth.Github.ClientID
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clientSecret := l.svcCtx.Config.OAuth.Github.ClientSecret
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return fmt.Sprintf(
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"https://github.com/login/oauth/access_token?client_id=%s&client_secret=%s&code=%s",
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clientId, clientSecret, code,
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)
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}
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// GetToken 获取 token
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func (l *GithubCallbackLogic) GetToken(url string) (*Token, error) {
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// 形成请求
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var req *http.Request
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var err error
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if req, err = http.NewRequest(http.MethodGet, url, nil); err != nil {
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return nil, err
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}
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req.Header.Set("accept", "application/json")
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// 发送请求并获得响应
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var httpClient = http.Client{}
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var res *http.Response
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if res, err = httpClient.Do(req); err != nil {
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return nil, err
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}
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// 将响应体解析为 token，并返回
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var token Token
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if err = json.NewDecoder(res.Body).Decode(&token); err != nil {
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return nil, err
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}
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return &token, nil
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}
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// GetUserInfo 获取用户信息
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func (l *GithubCallbackLogic) GetUserInfo(token *Token) (map[string]interface{}, error) {
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// 形成请求
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var userInfoUrl = "https://api.github.com/user" // github用户信息获取接口
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var req *http.Request
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var err error
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if req, err = http.NewRequest(http.MethodGet, userInfoUrl, nil); err != nil {
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return nil, err
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}
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req.Header.Set("accept", "application/json")
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req.Header.Set("Authorization", fmt.Sprintf("token %s", token.AccessToken))
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// 发送请求并获取响应
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var client = http.Client{}
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var res *http.Response
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if res, err = client.Do(req); err != nil {
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return nil, err
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}
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// 将响应的数据写入 userInfo 中，并返回
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var userInfo = make(map[string]interface{})
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if err = json.NewDecoder(res.Body).Decode(&userInfo); err != nil {
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return nil, err
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}
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return userInfo, nil
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}
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